Air-concentrator



J. GLOSS.

AIR CONCENTEATOR.

APPLICATION FILED AUG.23, 1919.

Patented May-10, 1921.

JACOB GLOSS, 0E ST. ANSGABI, IOWA.

AIR-CONCENTRATOR.

Application filed August 23, 1919.

To all whom it may concern:

Be it known that I, Jason Close, a citizen of the United States, residing at St. Ansgar, in the county of Mitchell and State of Iowa, have invented certain new and useful Improvements in Air-Concentrators, of which the following is a specification.

The invention relates to an attachment for an oil burning cook stove, and more particularly to the class of air concentrators for use in the chimneys for oil burning wick stoves.

The primary object of the invention is the provision of an attachment or device of this character, wherein the same is in the form of a truncated hollow conical member and is adapted to be suspended within the chimney of the oil burning stove over the burner so as to serve as a heat flue within the chimney to centralize the products of coinbustion and quicken their transit for the discharge thereof centrally of the chimney, the centralizing of the products of combustion and the discharge thereof being effective to regulate, increase and utilize the inflow of air about the burner into the combustion chamber formed by the chimney and to distribute the air concentrically of the flame when the burner is lighted, thereby improving the combustion for intensifying the heat within the stove and increasing the spreading of the flame for the more perfect working of the burner.

Another object of the invention is the provision of an attachment or device of this character, wherein the heat course from the burner when lighted is concentrated centrally of the chimney about the burner of the oil stove and in this manner the admission of air about said burner is regulated and controlled, to improve the combustion without increasing the consumption of oil by the burner when lighted.

A further object of the invention is the provision of an attachment or device of this character, wherein the air admitted to the chimney about theburner is caused to circulate concentrically about the heat zone to cause the heat current carrying the major part of the heat from the burner when lighted to be concentrated centrally of the chimney and be discharged through the attachment or device suspended from the top of said chimney, whereby the upper inside portion of the chimney is divided into u stantially two parts or air spaces, one

Specification of Letters Patent.

Patented May 1Q, 1.921.;

Serial No. 319,389.

inside and the other outside the said concentrator, thus effecting open top and open bottom air ducts divided by the wall of the conical truncated hollow concentrator and entendlng upward in the chimney to any desired extent, thus effectually producing an improved combustion and quickened heat transit with resultant maximum heating cfyuafty and a minimum consumption of A still further object of the invention is the provision of an attachment or device of thls character, which is extremely simple in construction, readily and easily applied to and suspended within the chimney of the oil stove, or removed therefrom, and inexpensive to manufacture and install.

Other objects will be in part obvious and 1n part hereinafter pointed out.

The invention accordingly consists in the features of construction, combination and arrangement of the parts, as will be hereinafter fully described, illustrated in the accompanymg drawing, and pointed out in the claims hereunto appended.

In the accompanying drawings:

F1gure 1 is a fragmentary vertical sectlonal view through the chimney of an oil burning stove, showing the burner therein and with the device or attachment constructed in accordance with the invention applied.

Fig. 2 is a top plan view.

. Fig. 3 is a vertical sectional view through the attachment or device, the same being removed from the chimney.

Flg. 4c is a perspective view of the attachment or device.

Similar reference characters indicate corresponding parts throughout the several views in the drawings.

Referring to the drawings in detail A design ates a portion of a burn er of the usual oil burning wick type having the wick B and flame spreader C, while D designates a portion of the chimney used in oil burning cook stoves, the chimney being supported upon the burner A by a collar E which is telescoped over said burner A and has the internal brackets 5 which are arranged at intervals to engage a supporting bead or shoulder 6 formed exteriorly on said burner A and in this manner the said collar E is removably supported upon the burner. The chimney D is suitably removably seated upon the collar E and is formed at the lower attaching end thereof with a circular rim 7 shaped to provide an annular trough or admitting air to the chimney D and thereby augment the supply of air delivered to the chimney by the openings 10 in the rim 7 at the lower end of said chimney.

The attachment or device constituting the present invention comprises a truncated conical shaped hollow air concentrating member 11, preferably made from sheet metal, which in this instance for a major portion of the lengthof the member is fluted or corrugated, yet these flutes or corrugations 12 may be eliminated and the body of the 7 member 11 made smooth or otherwise shaped. The corrugations as shown are deepestat the smaller end of the concentrator disappearing at the wide end and operate to discharge the heat in jets against the article to be heated.

The wider end of the body of the member 11 is folded on itself to provide a reinforcement 13, thereby strengthening the body of the member. A

Secured at intervals to the body of th 4 member 11 are hangers in the form of arms 14, preferably resilient each being secured at one end portion by rivets 15 to the body of said member 11, while the other end portion of said hangers or arms 14 are slightly bent outwardly and have formed at their free extremities hook turned ears 16 similating hooks for the hanging of the member 11 within the chimney D from the top thereof centrally of said chimney. It is to be understood of course that if found desirable the body 11 can be otherwise suspended within the chimney D and supported centrally therein. Furthermore the number of hangers- 14 may be increased should it be found expedient for the positioning of the member 11in the chimney and the suspension of the same.

' The member 11 is positioned within the chimney D preferably sothe top thereof extends somewhat elevated over the inner periphery of said chimney and suspended therein by the hangers 14, which at the ends 16 engage the perimeter of the chimney D at the top thereof and these hangers 14 centrally locate the memberll in its suspended positionwithin the chimney D to maintain a position relative to the burner A and laterally relative to the inner wall 17 and the indrawn top 18 of the chimney, and especially relative to the inner periphery 19 forming the top opening of said chimney as is clearly shown in Fig. 1 and Fig. 2 of the drawing.

The truncated conical shape of the member 11 and the positioning thereof over and in vertical axial alinement with the burner A interiorly of the chimney D and its free and open spaced position and relation laterally within said chimney enables a con-- centration of the heat from the flame when the burner A is lighted and causes the heat to be centralized within the chimney D and directed onto the utensil or'other objectto be heated by the burner. The ascending of the heat within the chimney D for the discharge of the heat and the productsof combustion due to'the disposition of the member 11 in the chimney D causes a centralized course of the heat current carrying the major part of the heat directly through the body 11 and the said heat and products of combustion passing through the body 11 creates a strong suctionwithin the chimney D which is effective for drawing the necessary quantity of air through and about the burner A into the said chimney, thus improving the combustion within the chimney D and increasing the efiiciency of the flame issuing from the burner A for arriving at maximum heating qualities in the use of the stove. V 7

' By'the concentration of the. products of combustion centrally in the chimney D by the arrangement of the concentrator member 11 therein as is shown in Figs. 1 and 2 of the drawings a more effectiveflameis had and the inflow of air through the bottom of the chimney D is controlled and regulated to improve the combustion and the heating efficiency of the stove in the use thereof.

In the use of the attachment or device the heating efficiency of the stove is materially ifitnproved with a minimum consumption of iel.

- From the foregoing it is thought that the construction and manner of use of the attachment or device will be clearly understood and therefore a more extended explanation has been omitted.v

What I claim is:

1. The combination with a burner and chimney. of a vapor stove; of a truncated cone-shaped hollow heat concentratingmember supported in the upper portion'of said chimney with the smaller. end of the concentrator extending upward through vthe chimney concentrically relatively thereto, said concentrator being positioned over the burner with its lower end spaced: from the burner.

chimney of an oil burning stove, of an attachment comprising a truncated conical shaped hollow member suspended in the upper end portion of the chimney above the burner, and positioned and related thereto as to divide said upper end portion of the chimney into substantially two parts or air spaces, one inside and the other outside of the member forming open top and open bottom air ducts divided by the wall of said member which wall extends upwardly through the chimney a predetermined distance and adapted to concentrate the heat from the latter, and means on the member and engaging the chimney to suspend said member centrally within the chimney at the proper elevation above the burner.

8. The combination with a burner and chimney of an oil burning stove, of an attachment comprising a truncated conical hollow member having corrugations extending a major portion of its length and to the smaller end thereof, supporting members fixed to the member at intervals apart and having upper hook ends approximately n the plane of the smaller end of said member and adapted to detachably engage the upper open end of the chimney and suspend said member centrally within the chimney at an elevation relative to the chimney.

4. The combination with a burner and chimney of a vapor stove; of a truncated cone shaped longitudinally corrugated shell, the corrugations gradually increasing in depth toward the smaller end of the shell and gradually disappearing at its wider end, said corrugations operating to collect the heat from the burner and discharge it in jets against the article to be heated, supporting fingers arranged longitudinally on said shell and fixed at one end to the lower end thereof with their upper ends deflected and equipped with attaching hooks for engagement with theupper end of the chimney.

In testimony whereof I afiix my signature hereto.

JACOB GLOSS. 

